Finding the Fourth Proportional to 2,518.45, 3,773.82 and 1,056.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.45 : 3,773.82 = 1,056.80 : x
2. Step 2: Convert to fraction form
   2,518.45/3,773.82 = 1,056.80/x
3. Step 3: Cross multiply
   2,518.45x = 3,773.82 × 1,056.80
4. Step 4: Simplify right side
   2,518.45x = 3,988,182.41
5. Step 5: Solve for x
   x = 3,988,182.41/2,518.45
6. Step 6: Final answer
   x = 1,583.59